Home / 19,844.22-27,386.00-10,891.63

Finding the Fourth Proportional to 19,844.22, 27,386.00 and 10,891.63

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Solution

The fourth proportional to 19,844.22, 27,386.00 and 10,891.63 is: 15,030.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,844.22 : 27,386.00 = 10,891.63 : x
  2. Step 2: Convert to fraction form
    19,844.22/27,386.00 = 10,891.63/x
  3. Step 3: Cross multiply
    19,844.22x = 27,386.00 × 10,891.63
  4. Step 4: Simplify right side
    19,844.22x = 298,278,199.80
  5. Step 5: Solve for x
    x = 298,278,199.80/19,844.22
  6. Step 6: Final answer
    x = 15,030.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.